Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/230
Name: Education and demonstration > Occupation > Keyboard operation (e.g., typing, key punching, etc.) > Means for selectively producing sound of character
Description: Subject matter including means having the sounds of characters recorded thereon, and means for reproducing the sound of a selected character either before or after the key therefor is depressed.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Semiconductor device
Liquid crystal shutter glasses
Switchable solvents and methods of use thereof
Electronic component and reflected-wave cancelling method
Method for increasing expression of active tumor necrosis factor receptor family member-Ig fusion proteins
Die packages and systems having the die packages
Nitride semiconductor laser device
  Randomly Featured Patents
Electroplating process and composition
Integrated circuit packaging system with package-on-package and method of manufacture thereof
Ink jet cartridge
Overrunning clutch with improved spring attachment
Building closure with enhanced moisture barrier properties
Step-through bathtub insert
Prefabricated-building tower foundation
Compact bath-chair support
Heat-resistant vibration damping rubber composition
Tricyclic compounds as modulators of TNF-.alpha. synthesis